(19)

(11)

EP 1 340 037 A2

(12)

(88) Date of publication A3: 06.02.2003 (43) Date of publication: 03.09.2003 Bulletin 2003/36 (21) Application number: 01991950.5 (22) Date of filing: 21.11.2001

(51) International Patent Classification (IPC)7: F42B 1/00 (86) International application number: PCT/US0144/075 (87) International publication number: WO 0204/6687 (13.06.2002 Gazette 2002/24)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 08.12.2000 US 733813 (71) Applicant: Special Devices, Inc. Moorpark, CA 93021 (US)	(72) Inventors: AVETISIAN, Vahan Newbury Park, CA 91320 (US) BERG, Paul Chatsworth, CA 91311 (US) RENZ, Robert Newbury Park, CA 91320 (US) KARLOFF, George Newhall, CA 91321 (US) (74) Representative: Viering, Jentschura & Partner  Postfach 22 14 43 80504 München 80504 München (DE)